Message type: E = Error
Message class:  CNV_20309 -  
Message number: 001
Message text: There is no reference data from previous test conversion
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20309001 indicates that there is no reference data available from a previous test conversion. This error typically occurs during the data migration or conversion process, particularly when using SAP's Conversion Tools or during the SAP S/4HANA migration process.
Cause: No Previous Test Conversion: The most straightforward cause is that there has not been a prior test conversion executed, which would provide the necessary reference data for the current conversion. Data Not Saved: If a previous test conversion was performed but the data was not saved or properly recorded, the system will not have access to that reference data.
Configuration Issues: There may be configuration issues in the conversion settings that prevent the system from accessing or recognizing the reference data. System Environment: The environment in which the conversion is being executed may not have the necessary data or configurations set up.
Solution: Perform a Test Conversion: If you have not yet performed a
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